This is according to the Daily Mail, who understand the Spain international has now made a clear decision about his future following months of intense speculation.
Real Madrid are planning to submit a formal £13 million bid for the 24-year-old - although Manchester United are very unlikely to sell for such a low price, despite the fact De Gea wants to leave Old Trafford and only has a year left to run on his contract.
The report adds that De Gea’s Manchester United teammates are convinced it’s now a mere matter of time before an agreement is reached and the deal is finalised.
Untied boss Louis van Gaal is yet to make an official move for a potential replacement, although recent reports suggest the veteran Dutch coach could attempt to sign either Tottenham’s Hugo Lloris or Atletico Madrid’s Jan Oblak.
Chelsea goalkeeper Petr Cech has also been linked with a move to Old Trafford, but it now seems certain that he will sign for Arsenal.
Van Gaal, however, may opt to stick by the former Barcelona goalkeeper Victor Valdes who made his Manchester United debut towards the end of last season.
Manchester United fans: who you YOU want to replace David de Gea at Old Trafford next season? Have your say by leaving a comment in the box below!